Don't log the enormous Rails application in the rails server options.
Don't log the enormous Rails application in the rails server options.

We don't need it and inspecting it hides the more useful keys.

Before...
```
MIQ(MiqUiWorker::Runner.start_rails_server) With options: {:Host=>"0.0.0.0", :environment=>"development", :app=>#<Vmdb::Application:0x007f902eec8ab8 @_all_autoload_paths=["/Users/joerafaniello/Code/manageiq/app/assets", "/Users/joerafaniello/Code/manageiq/app/controllers", "/Users/joerafaniello/Code/manageiq/app/decorators", "/Users/joerafaniello/Code/manageiq/app/helpers", "/Users/joerafaniello/Code/manageiq/app/mailers", "/Users/joerafaniello/Code/manageiq/app/models", "/Users/joerafaniello/Code/manageiq/app/presenters", "/Users/joerafaniello/Code/manageiq/app/services", #<Pathname:/Users/joerafaniello/Code/manageiq/app/models/aliases>, #<Pathname:/Users/joerafaniello/Code/manageiq/app/models/mixins>, #<Pathname:/Users/joerafaniello/Code/manageiq/lib/miq_automation_engine/models>, #<Pathname:/Users/joerafaniello/Code/manageiq/lib/miq_automation_engine/models/mixins>, #<Pathname:/Users/joerafaniello/Code/manageiq/app/controllers/mixins>, #<Pathname:/Users/joerafaniello/Code/manageiq/lib>], @_all_load_paths=["/Users/joerafaniello/Code/manageiq/lib", "/Users/joerafaniello/Code/manageiq/app/assets", "/Users/joerafaniello/Code/manageiq/app/controllers", "/Users/joerafaniello/Code/manageiq/app/decorators", "/Users/joerafaniello/Code/manageiq/app/helpers", "/Users/joerafaniello/Code/manageiq/app/mailers", "/Users/joerafaniello/Code/manageiq/app/models", "/Users/joerafaniello/Code/manageiq/app/presenters", "/Users/joerafaniello/Code/manageiq/app/services", #<Pathname:/Users/joerafaniello/Code/manageiq/app/models/aliases>, #<Pathname:/Users/joerafaniello/Code/manageiq/app/models/mixins>, #<Pathname:/Users/joerafaniello/Code/manageiq/lib/miq_automation_engine/models>, #<Pathname:/Users/joerafaniello/Code/manageiq/lib/miq_automation_engine/models/mixins>, #<Pathname:/Users/joerafaniello/Code/manageiq/app/controllers/mixins>, #<Pathname:/Users/joerafaniello/Code/manageiq/lib>], @app=#<Rack::Sendfile:0x007f9037408f98 @app=#<ActionDispatch::Static:0x007f9037409268 @app=#<ActionDispatch::LoadInterlock:0x007f9037409290...
```

After...

```
MIQ(MiqUiWorker::Runner.start_rails_server) With options: {:Host=>"0.0.0.0", :environment=>"development", :Port=>3000, :pid=>"/Users/joerafaniello/Code/manageiq/tmp/pids/rails_server.3000.pid"}
```

[skip ci]

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